And they fit boats, campers, car and truck hood lifts, Rear glass lifts, toppers, toolbox, JO box, JOB box. Tanning beds and more! Removal TIP : it is very easy to replace most gas springs / shocks/ struts, the most common connection used is the nylon “ball joint socket” to remove your old unit simply insert a “flat” blade screwdriver under the spring clip (you do not have to remove the clip) using the slot provided in the back of the socket, push the screwdriver down just a bit this causes the spring clip to open and it will release the ball end.